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Cornell University

Why Use Different Passwords for Each Account?

This article applies to: Secure Password Management

If you re-use a password on multiple accounts, even if your password is long and complicated, all it takes is one account getting compromised to make all your other accounts vulnerable.

Password compromises are quite common these days. If an attacker gets access to your password through an insecure, innocuous website, they can then use it to pivot to more sensitive ones, like your bank, tax, or online health care accounts. And that can ruin your day.


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